Spectral Analysis Python Packages

pyshtools

SHTOOLS - Spherical Harmonic Tools

yasa

YASA (Yet Another Spindle Algorithm): a Python package to analyze polysomnographic sleep recordings.

pycwt

A Python module for continuous wavelet spectral analysis. It includes a collection of routines for wavelet transform and statistical analysis via FFT algorithm. In addition, the module also includes cross-wavelet transforms, wavelet coherence tests and sample scripts.

flac-detective

Detect MP3-to-lossless transcodes (FLAC, ALAC, APE, WAV) with an 11-rule spectral analysis plus an optional CNN classifier. CLI + Python API + multi-arch Docker. Auto-repairs corrupted FLACs.

torchrtm

torchrtm

audioflux

A library for audio and music analysis, feature extraction.

threeml

The Multi-Mission Maximum Likelihood framework (3ML)

csoundengine

A python library to control a csound process

loristrck

Partial tracking in python, based on Loris

resonators

Rust implementation of the Resonate algorithm for low-latency spectral analysis, with Python and WebAssembly bindings

cuvis-ai

Cuvis.AI is an open-source, extensible framework for building modular AI pipelines that process, analyze, and deploy hyperspectral video data in real-time applications.

mrsimulator

A fast solid-state NMR spectrum simulation and analysis library.

napari-chat-assistant

A local agent architecture for semantic-aware interaction between large language models and multidimensional microscopy datasets inside napari

lattice-dsp

Stable IIR lattice filters, adaptive recursive DSP, and matrix/MIMO lattice experiments for Python.

leymosun

Leymosun Science: Quantum Research Toolkit

maelzel

A framework for computer music in python

mcp-server-mcsa

MCP server for Motor Current Signature Analysis (MCSA) — spectral analysis and fault detection in electric motors in natural language through LLMs

risset

Package manager for csound

dsgbr

Spectral peak detection for noisy, sloped power spectra: Savitzky-Golay search over a rolling-median baseline, benchmarked against tuned scipy find_peaks

cerespp

An extension to CERES (https://github.com/rabrahm/ceres)

pybispectra

A Python signal analysis toolbox for computing spectral-domain interactions using the bispectrum.

sdft

Single file forward and inverse Sliding DFT in C, C++ and Python

fitspy

Generic tool dedicated to fit spectra in python

siapy

🥷 A Python package for efficient processing of spectral images